| 1 | /* Generic serial interface routines |
| 2 | Copyright 1992, 1993, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include <ctype.h> |
| 23 | #include "serial.h" |
| 24 | #include "gdb_string.h" |
| 25 | #include "gdbcmd.h" |
| 26 | |
| 27 | extern void _initialize_serial (void); |
| 28 | |
| 29 | /* Is serial being debugged? */ |
| 30 | |
| 31 | static int global_serial_debug_p; |
| 32 | |
| 33 | /* Linked list of serial I/O handlers */ |
| 34 | |
| 35 | static struct serial_ops *serial_ops_list = NULL; |
| 36 | |
| 37 | /* This is the last serial stream opened. Used by connect command. */ |
| 38 | |
| 39 | static serial_t last_serial_opened = NULL; |
| 40 | |
| 41 | /* Pointer to list of scb's. */ |
| 42 | |
| 43 | static serial_t scb_base; |
| 44 | |
| 45 | /* Non-NULL gives filename which contains a recording of the remote session, |
| 46 | suitable for playback by gdbserver. */ |
| 47 | |
| 48 | static char *serial_logfile = NULL; |
| 49 | static struct ui_file *serial_logfp = NULL; |
| 50 | |
| 51 | static struct serial_ops *serial_interface_lookup (char *); |
| 52 | static void serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout); |
| 53 | static char logbase_hex[] = "hex"; |
| 54 | static char logbase_octal[] = "octal"; |
| 55 | static char logbase_ascii[] = "ascii"; |
| 56 | static char *logbase_enums[] = |
| 57 | {logbase_hex, logbase_octal, logbase_ascii, NULL}; |
| 58 | static char *serial_logbase = logbase_ascii; |
| 59 | \f |
| 60 | |
| 61 | |
| 62 | static int serial_current_type = 0; |
| 63 | |
| 64 | /* Log char CH of type CHTYPE, with TIMEOUT */ |
| 65 | |
| 66 | /* Define bogus char to represent a BREAK. Should be careful to choose a value |
| 67 | that can't be confused with a normal char, or an error code. */ |
| 68 | #define SERIAL_BREAK 1235 |
| 69 | |
| 70 | static void |
| 71 | serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout) |
| 72 | { |
| 73 | if (ch_type != serial_current_type) |
| 74 | { |
| 75 | fprintf_unfiltered (stream, "\n%c ", ch_type); |
| 76 | serial_current_type = ch_type; |
| 77 | } |
| 78 | |
| 79 | if (serial_logbase != logbase_ascii) |
| 80 | fputc_unfiltered (' ', stream); |
| 81 | |
| 82 | switch (ch) |
| 83 | { |
| 84 | case SERIAL_TIMEOUT: |
| 85 | fprintf_unfiltered (stream, "<Timeout: %d seconds>", timeout); |
| 86 | return; |
| 87 | case SERIAL_ERROR: |
| 88 | fprintf_unfiltered (stream, "<Error: %s>", safe_strerror (errno)); |
| 89 | return; |
| 90 | case SERIAL_EOF: |
| 91 | fputs_unfiltered ("<Eof>", stream); |
| 92 | return; |
| 93 | case SERIAL_BREAK: |
| 94 | fputs_unfiltered ("<Break>", stream); |
| 95 | return; |
| 96 | default: |
| 97 | if (serial_logbase == logbase_hex) |
| 98 | fprintf_unfiltered (stream, "%02x", ch & 0xff); |
| 99 | else if (serial_logbase == logbase_octal) |
| 100 | fprintf_unfiltered (stream, "%03o", ch & 0xff); |
| 101 | else |
| 102 | switch (ch) |
| 103 | { |
| 104 | case '\\': |
| 105 | fputs_unfiltered ("\\\\", stream); |
| 106 | break; |
| 107 | case '\b': |
| 108 | fputs_unfiltered ("\\b", stream); |
| 109 | break; |
| 110 | case '\f': |
| 111 | fputs_unfiltered ("\\f", stream); |
| 112 | break; |
| 113 | case '\n': |
| 114 | fputs_unfiltered ("\\n", stream); |
| 115 | break; |
| 116 | case '\r': |
| 117 | fputs_unfiltered ("\\r", stream); |
| 118 | break; |
| 119 | case '\t': |
| 120 | fputs_unfiltered ("\\t", stream); |
| 121 | break; |
| 122 | case '\v': |
| 123 | fputs_unfiltered ("\\v", stream); |
| 124 | break; |
| 125 | default: |
| 126 | fprintf_unfiltered (stream, isprint (ch) ? "%c" : "\\x%02x", ch & 0xFF); |
| 127 | break; |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | void |
| 133 | serial_log_command (const char *cmd) |
| 134 | { |
| 135 | if (!serial_logfp) |
| 136 | return; |
| 137 | |
| 138 | serial_current_type = 'c'; |
| 139 | |
| 140 | fputs_unfiltered ("\nc ", serial_logfp); |
| 141 | fputs_unfiltered (cmd, serial_logfp); |
| 142 | |
| 143 | /* Make sure that the log file is as up-to-date as possible, |
| 144 | in case we are getting ready to dump core or something. */ |
| 145 | gdb_flush (serial_logfp); |
| 146 | } |
| 147 | |
| 148 | \f |
| 149 | static struct serial_ops * |
| 150 | serial_interface_lookup (char *name) |
| 151 | { |
| 152 | struct serial_ops *ops; |
| 153 | |
| 154 | for (ops = serial_ops_list; ops; ops = ops->next) |
| 155 | if (strcmp (name, ops->name) == 0) |
| 156 | return ops; |
| 157 | |
| 158 | return NULL; |
| 159 | } |
| 160 | |
| 161 | void |
| 162 | serial_add_interface (struct serial_ops *optable) |
| 163 | { |
| 164 | optable->next = serial_ops_list; |
| 165 | serial_ops_list = optable; |
| 166 | } |
| 167 | |
| 168 | /* Open up a device or a network socket, depending upon the syntax of NAME. */ |
| 169 | |
| 170 | serial_t |
| 171 | serial_open (const char *name) |
| 172 | { |
| 173 | serial_t scb; |
| 174 | struct serial_ops *ops; |
| 175 | const char *open_name = name; |
| 176 | |
| 177 | for (scb = scb_base; scb; scb = scb->next) |
| 178 | if (scb->name && strcmp (scb->name, name) == 0) |
| 179 | { |
| 180 | scb->refcnt++; |
| 181 | return scb; |
| 182 | } |
| 183 | |
| 184 | if (strcmp (name, "ocd") == 0) |
| 185 | ops = serial_interface_lookup ("ocd"); |
| 186 | else if (strcmp (name, "pc") == 0) |
| 187 | ops = serial_interface_lookup ("pc"); |
| 188 | else if (strchr (name, ':')) |
| 189 | ops = serial_interface_lookup ("tcp"); |
| 190 | else if (strncmp (name, "lpt", 3) == 0) |
| 191 | ops = serial_interface_lookup ("parallel"); |
| 192 | else if (strncmp (name, "|", 1) == 0) |
| 193 | { |
| 194 | ops = serial_interface_lookup ("pipe"); |
| 195 | open_name = name + 1; /* discard ``|'' */ |
| 196 | } |
| 197 | else |
| 198 | ops = serial_interface_lookup ("hardwire"); |
| 199 | |
| 200 | if (!ops) |
| 201 | return NULL; |
| 202 | |
| 203 | scb = (serial_t) xmalloc (sizeof (struct _serial_t)); |
| 204 | |
| 205 | scb->ops = ops; |
| 206 | |
| 207 | scb->bufcnt = 0; |
| 208 | scb->bufp = scb->buf; |
| 209 | |
| 210 | if (scb->ops->open (scb, open_name)) |
| 211 | { |
| 212 | free (scb); |
| 213 | return NULL; |
| 214 | } |
| 215 | |
| 216 | scb->name = strsave (name); |
| 217 | scb->next = scb_base; |
| 218 | scb->refcnt = 1; |
| 219 | scb->debug_p = 0; |
| 220 | scb->async_state = 0; |
| 221 | scb->async_handler = NULL; |
| 222 | scb->async_context = NULL; |
| 223 | scb_base = scb; |
| 224 | |
| 225 | last_serial_opened = scb; |
| 226 | |
| 227 | if (serial_logfile != NULL) |
| 228 | { |
| 229 | serial_logfp = gdb_fopen (serial_logfile, "w"); |
| 230 | if (serial_logfp == NULL) |
| 231 | perror_with_name (serial_logfile); |
| 232 | } |
| 233 | |
| 234 | return scb; |
| 235 | } |
| 236 | |
| 237 | serial_t |
| 238 | serial_fdopen (const int fd) |
| 239 | { |
| 240 | serial_t scb; |
| 241 | struct serial_ops *ops; |
| 242 | |
| 243 | for (scb = scb_base; scb; scb = scb->next) |
| 244 | if (scb->fd == fd) |
| 245 | { |
| 246 | scb->refcnt++; |
| 247 | return scb; |
| 248 | } |
| 249 | |
| 250 | ops = serial_interface_lookup ("hardwire"); |
| 251 | |
| 252 | if (!ops) |
| 253 | return NULL; |
| 254 | |
| 255 | scb = (serial_t) xmalloc (sizeof (struct _serial_t)); |
| 256 | |
| 257 | scb->ops = ops; |
| 258 | |
| 259 | scb->bufcnt = 0; |
| 260 | scb->bufp = scb->buf; |
| 261 | |
| 262 | scb->fd = fd; |
| 263 | |
| 264 | scb->name = NULL; |
| 265 | scb->next = scb_base; |
| 266 | scb->refcnt = 1; |
| 267 | scb->debug_p = 0; |
| 268 | scb->async_state = 0; |
| 269 | scb->async_handler = NULL; |
| 270 | scb->async_context = NULL; |
| 271 | scb_base = scb; |
| 272 | |
| 273 | last_serial_opened = scb; |
| 274 | |
| 275 | return scb; |
| 276 | } |
| 277 | |
| 278 | static void |
| 279 | do_serial_close (serial_t scb, int really_close) |
| 280 | { |
| 281 | serial_t tmp_scb; |
| 282 | |
| 283 | last_serial_opened = NULL; |
| 284 | |
| 285 | if (serial_logfp) |
| 286 | { |
| 287 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); |
| 288 | serial_current_type = 0; |
| 289 | |
| 290 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
| 291 | ui_file_delete (serial_logfp); |
| 292 | serial_logfp = NULL; |
| 293 | } |
| 294 | |
| 295 | /* This is bogus. It's not our fault if you pass us a bad scb...! Rob, you |
| 296 | should fix your code instead. */ |
| 297 | |
| 298 | if (!scb) |
| 299 | return; |
| 300 | |
| 301 | scb->refcnt--; |
| 302 | if (scb->refcnt > 0) |
| 303 | return; |
| 304 | |
| 305 | /* ensure that the FD has been taken out of async mode */ |
| 306 | if (scb->async_handler != NULL) |
| 307 | serial_async (scb, NULL, NULL); |
| 308 | |
| 309 | if (really_close) |
| 310 | scb->ops->close (scb); |
| 311 | |
| 312 | if (scb->name) |
| 313 | free (scb->name); |
| 314 | |
| 315 | if (scb_base == scb) |
| 316 | scb_base = scb_base->next; |
| 317 | else |
| 318 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) |
| 319 | { |
| 320 | if (tmp_scb->next != scb) |
| 321 | continue; |
| 322 | |
| 323 | tmp_scb->next = tmp_scb->next->next; |
| 324 | break; |
| 325 | } |
| 326 | |
| 327 | free (scb); |
| 328 | } |
| 329 | |
| 330 | void |
| 331 | serial_close (serial_t scb) |
| 332 | { |
| 333 | do_serial_close (scb, 1); |
| 334 | } |
| 335 | |
| 336 | void |
| 337 | serial_un_fdopen (serial_t scb) |
| 338 | { |
| 339 | do_serial_close (scb, 0); |
| 340 | } |
| 341 | |
| 342 | int |
| 343 | serial_readchar (serial_t scb, int timeout) |
| 344 | { |
| 345 | int ch; |
| 346 | |
| 347 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
| 348 | code is finished. */ |
| 349 | if (0 && SERIAL_IS_ASYNC_P (scb) && timeout < 0) |
| 350 | internal_error ("serial_readchar: blocking read in async mode"); |
| 351 | |
| 352 | ch = scb->ops->readchar (scb, timeout); |
| 353 | if (serial_logfp != NULL) |
| 354 | { |
| 355 | serial_logchar (serial_logfp, 'r', ch, timeout); |
| 356 | |
| 357 | /* Make sure that the log file is as up-to-date as possible, |
| 358 | in case we are getting ready to dump core or something. */ |
| 359 | gdb_flush (serial_logfp); |
| 360 | } |
| 361 | if (SERIAL_DEBUG_P (scb)) |
| 362 | { |
| 363 | fprintf_unfiltered (gdb_stdlog, "["); |
| 364 | serial_logchar (gdb_stdlog, 'r', ch, timeout); |
| 365 | fprintf_unfiltered (gdb_stdlog, "]"); |
| 366 | gdb_flush (gdb_stdlog); |
| 367 | } |
| 368 | |
| 369 | return (ch); |
| 370 | } |
| 371 | |
| 372 | int |
| 373 | serial_write (serial_t scb, const char *str, int len) |
| 374 | { |
| 375 | if (serial_logfp != NULL) |
| 376 | { |
| 377 | int count; |
| 378 | |
| 379 | for (count = 0; count < len; count++) |
| 380 | serial_logchar (serial_logfp, 'w', str[count] & 0xff, 0); |
| 381 | |
| 382 | /* Make sure that the log file is as up-to-date as possible, |
| 383 | in case we are getting ready to dump core or something. */ |
| 384 | gdb_flush (serial_logfp); |
| 385 | } |
| 386 | |
| 387 | return (scb->ops->write (scb, str, len)); |
| 388 | } |
| 389 | |
| 390 | void |
| 391 | serial_printf (serial_t desc, const char *format,...) |
| 392 | { |
| 393 | va_list args; |
| 394 | char *buf; |
| 395 | va_start (args, format); |
| 396 | |
| 397 | vasprintf (&buf, format, args); |
| 398 | SERIAL_WRITE (desc, buf, strlen (buf)); |
| 399 | |
| 400 | free (buf); |
| 401 | va_end (args); |
| 402 | } |
| 403 | |
| 404 | int |
| 405 | serial_drain_output (serial_t scb) |
| 406 | { |
| 407 | return scb->ops->drain_output (scb); |
| 408 | } |
| 409 | |
| 410 | int |
| 411 | serial_flush_output (serial_t scb) |
| 412 | { |
| 413 | return scb->ops->flush_output (scb); |
| 414 | } |
| 415 | |
| 416 | int |
| 417 | serial_flush_input (serial_t scb) |
| 418 | { |
| 419 | return scb->ops->flush_input (scb); |
| 420 | } |
| 421 | |
| 422 | int |
| 423 | serial_send_break (serial_t scb) |
| 424 | { |
| 425 | if (serial_logfp != NULL) |
| 426 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
| 427 | |
| 428 | return (scb->ops->send_break (scb)); |
| 429 | } |
| 430 | |
| 431 | void |
| 432 | serial_raw (serial_t scb) |
| 433 | { |
| 434 | scb->ops->go_raw (scb); |
| 435 | } |
| 436 | |
| 437 | serial_ttystate |
| 438 | serial_get_tty_state (serial_t scb) |
| 439 | { |
| 440 | return scb->ops->get_tty_state (scb); |
| 441 | } |
| 442 | |
| 443 | int |
| 444 | serial_set_tty_state (serial_t scb, serial_ttystate ttystate) |
| 445 | { |
| 446 | return scb->ops->set_tty_state (scb, ttystate); |
| 447 | } |
| 448 | |
| 449 | void |
| 450 | serial_print_tty_state (serial_t scb, |
| 451 | serial_ttystate ttystate, |
| 452 | struct ui_file *stream) |
| 453 | { |
| 454 | scb->ops->print_tty_state (scb, ttystate, stream); |
| 455 | } |
| 456 | |
| 457 | int |
| 458 | serial_noflush_set_tty_state (serial_t scb, |
| 459 | serial_ttystate new_ttystate, |
| 460 | serial_ttystate old_ttystate) |
| 461 | { |
| 462 | return scb->ops->noflush_set_tty_state (scb, new_ttystate, old_ttystate); |
| 463 | } |
| 464 | |
| 465 | int |
| 466 | serial_setbaudrate (serial_t scb, int rate) |
| 467 | { |
| 468 | return scb->ops->setbaudrate (scb, rate); |
| 469 | } |
| 470 | |
| 471 | int |
| 472 | serial_setstopbits (serial_t scb, int num) |
| 473 | { |
| 474 | return scb->ops->setstopbits (scb, num); |
| 475 | } |
| 476 | |
| 477 | int |
| 478 | serial_can_async_p (serial_t scb) |
| 479 | { |
| 480 | return (scb->ops->async != NULL); |
| 481 | } |
| 482 | |
| 483 | int |
| 484 | serial_is_async_p (serial_t scb) |
| 485 | { |
| 486 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); |
| 487 | } |
| 488 | |
| 489 | void |
| 490 | serial_async (serial_t scb, |
| 491 | serial_event_ftype *handler, |
| 492 | void *context) |
| 493 | { |
| 494 | /* Only change mode if there is a need. */ |
| 495 | if ((scb->async_handler == NULL) |
| 496 | != (handler == NULL)) |
| 497 | scb->ops->async (scb, handler != NULL); |
| 498 | scb->async_handler = handler; |
| 499 | scb->async_context = context; |
| 500 | } |
| 501 | |
| 502 | int |
| 503 | deprecated_serial_fd (serial_t scb) |
| 504 | { |
| 505 | /* FIXME: should this output a warning that deprecated code is being |
| 506 | called? */ |
| 507 | if (scb->fd < 0) |
| 508 | { |
| 509 | internal_error ("serial: FD not valid"); |
| 510 | } |
| 511 | return scb->fd; /* sigh */ |
| 512 | } |
| 513 | |
| 514 | void |
| 515 | serial_debug (serial_t scb, int debug_p) |
| 516 | { |
| 517 | scb->debug_p = debug_p; |
| 518 | } |
| 519 | |
| 520 | int |
| 521 | serial_debug_p (serial_t scb) |
| 522 | { |
| 523 | return scb->debug_p || global_serial_debug_p; |
| 524 | } |
| 525 | |
| 526 | |
| 527 | #if 0 |
| 528 | /* |
| 529 | The connect command is #if 0 because I hadn't thought of an elegant |
| 530 | way to wait for I/O on two serial_t's simultaneously. Two solutions |
| 531 | came to mind: |
| 532 | |
| 533 | 1) Fork, and have have one fork handle the to user direction, |
| 534 | and have the other hand the to target direction. This |
| 535 | obviously won't cut it for MSDOS. |
| 536 | |
| 537 | 2) Use something like select. This assumes that stdin and |
| 538 | the target side can both be waited on via the same |
| 539 | mechanism. This may not be true for DOS, if GDB is |
| 540 | talking to the target via a TCP socket. |
| 541 | -grossman, 8 Jun 93 |
| 542 | */ |
| 543 | |
| 544 | /* Connect the user directly to the remote system. This command acts just like |
| 545 | the 'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */ |
| 546 | |
| 547 | static serial_t tty_desc; /* Controlling terminal */ |
| 548 | |
| 549 | static void |
| 550 | cleanup_tty (serial_ttystate ttystate) |
| 551 | { |
| 552 | printf_unfiltered ("\r\n[Exiting connect mode]\r\n"); |
| 553 | SERIAL_SET_TTY_STATE (tty_desc, ttystate); |
| 554 | free (ttystate); |
| 555 | SERIAL_CLOSE (tty_desc); |
| 556 | } |
| 557 | |
| 558 | static void |
| 559 | connect_command (char *args, int fromtty) |
| 560 | { |
| 561 | int c; |
| 562 | char cur_esc = 0; |
| 563 | serial_ttystate ttystate; |
| 564 | serial_t port_desc; /* TTY port */ |
| 565 | |
| 566 | dont_repeat (); |
| 567 | |
| 568 | if (args) |
| 569 | fprintf_unfiltered (gdb_stderr, "This command takes no args. They have been ignored.\n"); |
| 570 | |
| 571 | printf_unfiltered ("[Entering connect mode. Use ~. or ~^D to escape]\n"); |
| 572 | |
| 573 | tty_desc = SERIAL_FDOPEN (0); |
| 574 | port_desc = last_serial_opened; |
| 575 | |
| 576 | ttystate = SERIAL_GET_TTY_STATE (tty_desc); |
| 577 | |
| 578 | SERIAL_RAW (tty_desc); |
| 579 | SERIAL_RAW (port_desc); |
| 580 | |
| 581 | make_cleanup (cleanup_tty, ttystate); |
| 582 | |
| 583 | while (1) |
| 584 | { |
| 585 | int mask; |
| 586 | |
| 587 | mask = SERIAL_WAIT_2 (tty_desc, port_desc, -1); |
| 588 | |
| 589 | if (mask & 2) |
| 590 | { /* tty input */ |
| 591 | char cx; |
| 592 | |
| 593 | while (1) |
| 594 | { |
| 595 | c = SERIAL_READCHAR (tty_desc, 0); |
| 596 | |
| 597 | if (c == SERIAL_TIMEOUT) |
| 598 | break; |
| 599 | |
| 600 | if (c < 0) |
| 601 | perror_with_name ("connect"); |
| 602 | |
| 603 | cx = c; |
| 604 | SERIAL_WRITE (port_desc, &cx, 1); |
| 605 | |
| 606 | switch (cur_esc) |
| 607 | { |
| 608 | case 0: |
| 609 | if (c == '\r') |
| 610 | cur_esc = c; |
| 611 | break; |
| 612 | case '\r': |
| 613 | if (c == '~') |
| 614 | cur_esc = c; |
| 615 | else |
| 616 | cur_esc = 0; |
| 617 | break; |
| 618 | case '~': |
| 619 | if (c == '.' || c == '\004') |
| 620 | return; |
| 621 | else |
| 622 | cur_esc = 0; |
| 623 | } |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | if (mask & 1) |
| 628 | { /* Port input */ |
| 629 | char cx; |
| 630 | |
| 631 | while (1) |
| 632 | { |
| 633 | c = SERIAL_READCHAR (port_desc, 0); |
| 634 | |
| 635 | if (c == SERIAL_TIMEOUT) |
| 636 | break; |
| 637 | |
| 638 | if (c < 0) |
| 639 | perror_with_name ("connect"); |
| 640 | |
| 641 | cx = c; |
| 642 | |
| 643 | SERIAL_WRITE (tty_desc, &cx, 1); |
| 644 | } |
| 645 | } |
| 646 | } |
| 647 | } |
| 648 | #endif /* 0 */ |
| 649 | |
| 650 | void |
| 651 | _initialize_serial (void) |
| 652 | { |
| 653 | #if 0 |
| 654 | add_com ("connect", class_obscure, connect_command, |
| 655 | "Connect the terminal directly up to the command monitor.\n\ |
| 656 | Use <CR>~. or <CR>~^D to break out."); |
| 657 | #endif /* 0 */ |
| 658 | |
| 659 | add_show_from_set |
| 660 | (add_set_cmd ("remotelogfile", no_class, |
| 661 | var_filename, (char *) &serial_logfile, |
| 662 | "Set filename for remote session recording.\n\ |
| 663 | This file is used to record the remote session for future playback\n\ |
| 664 | by gdbserver.", |
| 665 | &setlist), |
| 666 | &showlist); |
| 667 | |
| 668 | add_show_from_set |
| 669 | (add_set_enum_cmd ("remotelogbase", no_class, |
| 670 | logbase_enums, (char *) &serial_logbase, |
| 671 | "Set numerical base for remote session logging", |
| 672 | &setlist), |
| 673 | &showlist); |
| 674 | |
| 675 | add_show_from_set (add_set_cmd ("serialdebug", |
| 676 | class_maintenance, |
| 677 | var_zinteger, |
| 678 | (char *)&global_serial_debug_p, |
| 679 | "Set serial debugging.\n\ |
| 680 | When non-zero, serial port debugging is enabled.", &setlist), |
| 681 | &showlist); |
| 682 | } |